The Tor Browser / file revision

 enableOsiPointRegisterChecks();

 function DiagModule(stdlib, foreign) {

     "use asm";

     var sqrt = stdlib.Math.sqrt;

     var test = foreign.test;

     function square(x) {

         x = x|0;

         return ((x|0)+(x|0))|0;

     }

     function diag() {

         var x = 0.0;

         while(1) {

           test(1, x);

           x = x+1.0

           if (x > 15.0)

             return 0;

         }

         return 0;

     }

     function diag_1() {

           test();

         return 0;

     }

     return { diag: diag, diag_1:diag_1 };

 }

 var foreign = {

   test:function(a,b) {

     print(a+":"+b)

     var c = [0.0];

     if (b > 10)

         return c[1];

     return c[0];

   }

 }

 // make sure foreign is compiled

 var fast = DiagModule(this, foreign);     // produces AOT-compiled version

 print(fast.diag());      // 5

 gc()

 print(fast.diag());      // 5